<template>
<div class="wrapper">
  <swiper :options="swiperOption" v-if="showSwiper">
    <!-- slides -->
    <swiper-slide v-for="item of list" :key="item.id">
      <img class="swiper-img" :src="item.imgUrl">
    </swiper-slide>
    <!-- Optional controls -->
    <div class="swiper-pagination"  slot="pagination"></div>
  </swiper>
  </div>
</template>

<script>
export default {
  name:'HomeSwiper',
  props:{
    list:Array
  },
  data(){
    return{
      swiperOption:{
        pagination:'.swiper-pagination',
        loop:true
      }
    }
  },
  computed :{
    showSwiper() {
      return this.list.length
    }
  }
}
</script>
<style>
.swiper-pagination-bullet-active{
  background: #fff!important;
}
.wrapper{
  /* 设置宽高比例  vw也可以但是会有浏览器兼容问题 */
  width:100%;
  height:0;
  overflow: hidden;
  padding-bottom: 31.25%;
  background: #eee;
}
  .swiper-img{
    width: 100%;
  }
</style>


